<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Server
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */

/**
 * Zend_Server_Reflection_Function
 */
require_once 'Zend/Server/Reflection/Function.php';

/**
 * Zend_Server_Reflection_Class
 */
require_once 'Zend/Server/Reflection/Class.php';

/**
 * Reflection for determining method signatures to use with server classes
 *
 * @category   Zend
 * @package    Zend_Server
 * @subpackage Reflection
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version $Id: Reflection.php 16210 2009-06-21 19:22:17Z thomas $
 */
class Zend_Server_Reflection
{
	/**
	 * Perform class reflection to create dispatch signatures
	 *
	 * Creates a {@link Zend_Server_Reflection_Class} object for the class or
	 * object provided.
	 *
	 * If extra arguments should be passed to dispatchable methods, these may
	 * be provided as an array to $argv.
	 *
	 * @param string|object $class Class name or object
	 * @param null|array $argv Optional arguments to be used during the method call
	 * @param string $namespace Optional namespace with which to prefix the
	 * method name (used for the signature key). Primarily to avoid collisions,
	 * also for XmlRpc namespacing
	 * @return Zend_Server_Reflection_Class
	 * @throws Zend_Server_Reflection_Exception
	 */
	public static function reflectClass($class, $argv = false, $namespace = '')
	{
		if (is_object($class)) {
			$reflection = new ReflectionObject($class);
		} elseif (class_exists($class)) {
			$reflection = new ReflectionClass($class);
		} else {
			require_once 'Zend/Server/Reflection/Exception.php';
			throw new Zend_Server_Reflection_Exception('Invalid class or object passed to attachClass()');
		}

		if ($argv && !is_array($argv)) {
			require_once 'Zend/Server/Reflection/Exception.php';
			throw new Zend_Server_Reflection_Exception('Invalid argv argument passed to reflectClass');
		}

		return new Zend_Server_Reflection_Class($reflection, $namespace, $argv);
	}

	/**
	 * Perform function reflection to create dispatch signatures
	 *
	 * Creates dispatch prototypes for a function. It returns a
	 * {@link Zend_Server_Reflection_Function} object.
	 *
	 * If extra arguments should be passed to the dispatchable function, these
	 * may be provided as an array to $argv.
	 *
	 * @param string $function Function name
	 * @param null|array $argv Optional arguments to be used during the method call
	 * @param string $namespace Optional namespace with which to prefix the
	 * function name (used for the signature key). Primarily to avoid
	 * collisions, also for XmlRpc namespacing
	 * @return Zend_Server_Reflection_Function
	 * @throws Zend_Server_Reflection_Exception
	 */
	public static function reflectFunction($function, $argv = false, $namespace = '')
	{
		if (!is_string($function) || !function_exists($function)) {
			require_once 'Zend/Server/Reflection/Exception.php';
			throw new Zend_Server_Reflection_Exception('Invalid function "' . $function . '" passed to reflectFunction');
		}


		if ($argv && !is_array($argv)) {
			require_once 'Zend/Server/Reflection/Exception.php';
			throw new Zend_Server_Reflection_Exception('Invalid argv argument passed to reflectClass');
		}

		return new Zend_Server_Reflection_Function(new ReflectionFunction($function), $namespace, $argv);
	}
}
